Add/update filtered-sum-bms benchmark

spot-launcher/node_modules/@smithy/node-http-handler/dist-es/readable.mock.js

@@ -0,0 +1,19 @@
+import { Readable } from "stream";
+export class ReadFromBuffers extends Readable {
+    constructor(options) {
+        super(options);
+        this.numBuffersRead = 0;
+        this.buffersToRead = options.buffers;
+        this.errorAfter = typeof options.errorAfter === "number" ? options.errorAfter : -1;
+    }
+    _read() {
+        if (this.errorAfter !== -1 && this.errorAfter === this.numBuffersRead) {
+            this.emit("error", new Error("Mock Error"));
+            return;
+        }
+        if (this.numBuffersRead >= this.buffersToRead.length) {
+            return this.push(null);
+        }
+        return this.push(this.buffersToRead[this.numBuffersRead++]);
+    }
+}